Tue, 17 Apr 2012 23:22:40 +0100 sultana tidied exception-handling relating to tptp problem names;
Tue, 17 Apr 2012 23:22:40 +0100 sultana updated TPTP's ROOT.ML to include TPTP_Interpret;
Tue, 17 Apr 2012 23:24:46 +0200 wenzelm retain ISABELLE_HOME_WINDOWS which is useful for jEdit to fold file names symbolically, but without DOS expansion that causes problems with Cygwin/Posix roundtrip (cf. 5a7903ba2dac);
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